Original engine check?
#2
Check the block VIN pad to see if it matches the last six digits of the vehicle VIN. Also make sure it is actually a 455 with E heads.
Yours should start with 30 for Olds, 1970 model year.
Head_ID.jpg
P1010401-1.jpg
P5060220.jpg
Yours should start with 30 for Olds, 1970 model year.
Head_ID.jpg
P1010401-1.jpg
P5060220.jpg
Last edited by Fun71; January 24th, 2017 at 11:09 AM.
#4
First number is Oldsmobile division = 3
Second number is year of manufacture = 0 for 1970
Third letter is assembly plant (I don't remember all of them right off)
Four - nine = vehicle's assembly sequence number and should match the numbers on the body VIN plate
edit: I found this info for assembly plant codes
1 Oshawa, Canada
C Southgate, CA
D Atlanta, GA
E Linden, NJ
G Framingham, MA
M Lansing, MI
X Kansas City, KS
Z Fremont, CA
Second number is year of manufacture = 0 for 1970
Third letter is assembly plant (I don't remember all of them right off)
Four - nine = vehicle's assembly sequence number and should match the numbers on the body VIN plate
edit: I found this info for assembly plant codes
1 Oshawa, Canada
C Southgate, CA
D Atlanta, GA
E Linden, NJ
G Framingham, MA
M Lansing, MI
X Kansas City, KS
Z Fremont, CA
Last edited by Fun71; January 24th, 2017 at 01:57 PM.
#6
Here's an even simpler explanation. The stamped number on the block (and transmission case) is called a VIN derivative because it contains only nine of the 13 characters in the original VIN of the car. If this is the original block, the first character of the VIN derivative stamp will match the first of the VIN, and the last eight of the VIN derivative stamp will match the last eight of the VIN.
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